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US20080312524A1 - Medical Sensor Having Electrodes and a Motion Sensor - Google Patents

Medical Sensor Having Electrodes and a Motion Sensor Download PDF

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Publication number
US20080312524A1
US20080312524A1 US12/095,792 US9579206A US2008312524A1 US 20080312524 A1 US20080312524 A1 US 20080312524A1 US 9579206 A US9579206 A US 9579206A US 2008312524 A1 US2008312524 A1 US 2008312524A1
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US
United States
Prior art keywords
sensor
patient
motion
medical
motion sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US12/095,792
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English (en)
Inventor
Thomas Solosko
Thomas Lyster
Steve Hugh
Brett Cross
Stacy Gehman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Priority to US12/095,792 priority Critical patent/US20080312524A1/en
Assigned to KONINKLIJKE PHILIPS ELECTRONICS N.V. reassignment KONINKLIJKE PHILIPS ELECTRONICS N.V. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LYSTER, THOMAS, SOLOSKO, THOMAS, HUGH, STEVE, CROSS, BRETT, GEHMAN, STACY
Publication of US20080312524A1 publication Critical patent/US20080312524A1/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
    • A61B5/1123—Discriminating type of movement, e.g. walking or running
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
    • A61B5/1126—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb using a particular sensing technique
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/251—Means for maintaining electrode contact with the body
    • A61B5/257—Means for maintaining electrode contact with the body using adhesive means, e.g. adhesive pads or tapes
    • A61B5/259—Means for maintaining electrode contact with the body using adhesive means, e.g. adhesive pads or tapes using conductive adhesive means, e.g. gels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
    • A61B5/282—Holders for multiple electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/12—Manufacturing methods specially adapted for producing sensors for in-vivo measurements
    • A61B2562/125—Manufacturing methods specially adapted for producing sensors for in-vivo measurements characterised by the manufacture of electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/333—Recording apparatus specially adapted therefor
    • A61B5/335—Recording apparatus specially adapted therefor using integrated circuit memory devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
    • A61B5/721—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts using a separate sensor to detect motion or using motion information derived from signals other than the physiological signal to be measured

Definitions

  • the present invention relates generally to medical sensors, and more specifically, to medical sensors for sensing patient biological information and sensing patient motion.
  • a cardiac monitoring/recording device known as a “Holter” electrocardiograph.
  • a patient wears medical sensors, typically electrodes, that are connected to a portable recording device carried by the patient which records electrocardiograph (“ECG”) signals detected by the sensors.
  • ECG electrocardiograph
  • the patient ECG is recorded over a period of time, such as 24 hours, so that a record of heart activity over an extended time period can be obtained.
  • FIG. 1 illustrates a patient 102 wearing a Holter electrocardiograph.
  • Medical sensors in the form of conventional electrodes 104 are attached to the patient 102 and are electrically coupled to a recorder 110 through wires 105 and connector 106 .
  • the recorder 110 is typically worn by the patient 102 using a belt 108 , or other means, such as being carried over the shoulder.
  • the electrodes 104 detect electrical signals that are indicative of patient biological information and the recorder 110 records the electrical signals for later download and analysis.
  • conventional Holter electrocardiographs are bulky and conspicuous since the recorder 110 is typically too large to be worn comfortably under clothing.
  • the recorder 110 connects to the electrodes 104 through several wires 105 , which can become tangled while the patient 102 is moving and can also increase discomfort when the wires 105 are worn under clothing.
  • the motion of a patient can be indicative of patient health, such as, patient motion suggesting that the patient is active and not in cardiac arrest, patient respiration, or patient heartbeats.
  • sensed motion, or lack thereof can also serve as a quality indicator of cardiac signals, where motion can generate electrical signals that interfere with ECG signals.
  • a motion sensor can be included in the recorder 110 to detect and record patient motion.
  • the motion of the recorder 110 is not necessarily the motion of the patient, which may lead to recording inaccurate motion information.
  • One aspect of the invention provides a medical sensor having at least one electrode configured to be placed on a patient for medical monitoring and a motion sensor integrated in the medical sensor with the electrode.
  • the motion sensor is configured to detect patient motion and provide electrical signals in response thereto.
  • Another aspect of the invention provides a medical sensor having a plurality of electrodes configured for placement on a patient and operable to electrically couple electrical signals to and from the patient.
  • the medical sensor further includes an integral motion sensor configured to sense patient motion and provide signals in response thereto.
  • Another aspect of the invention provides a method of forming a medical sensor including integrating a motion sensor and a plurality of electrodes in the medical sensor.
  • FIG. 1 is schematic representation of a conventional cardiac monitoring and recording system having conventionally configured electrodes.
  • FIGS. 2A and 2B are schematic representations of a cardiac monitoring and recording system including a medical sensor according to embodiments of the present invention.
  • FIG. 3 is an exploded isometric diagram of the medical sensor of FIG. 2 .
  • FIG. 4 is a plan view of the medical sensor of FIG. 2 .
  • FIGS. 5A and 5B are plan views of a pattern of conductive material according to an embodiment of the present invention for an electrode layer of the medical sensor of FIG. 2 .
  • FIGS. 6A and 6B are plan views of a pattern of conductive material according to another embodiment of the present invention for an electrode layer of the medical sensor of FIG. 2 .
  • FIGS. 7A and 7B illustrate an electrode layer with four electrodes.
  • FIGS. 8A , 8 B, and 8 C illustrate an electrode layer with an integral, separately bonded motion sensor.
  • FIG. 9 illustrates a monitor/recorder device for a patient-worn sensor which has a motion sensor integral to the device.
  • FIG. 2A illustrates a medical sensor 200 according to an embodiment of the present invention positioned on a patient 102 .
  • the medical sensor 200 includes a plurality of electrodes 204 for sensing, among other things, the patient's cardiac rhythms as well as a motion sensor 206 that detects patient movement and translates the patient motion into electrical signals that are provided to the monitor/recorder 110 .
  • the motion sensor 206 is integrated in the medical sensor with the electrodes 204 .
  • Electrical signals detected and generated by the medical sensor 200 are provided to the monitor/recorder 110 through cable 220 and connector 222 .
  • the cable 220 is connected to the medical sensor 200 through connector 210 .
  • the medical sensor 200 is adhesively attached to the patient 102 by a flexible retention seal 202 .
  • the retention seal and adhesive are formed from materials that allow the medical sensor 200 to remain adhered to the patient 102 while in motion and during activity. Such materials are known to those ordinarily skilled in the art, and consequently, in the interest of brevity, a more detailed description of such materials will not be provided herein.
  • the medical sensor 200 is relatively compact and does not use a plurality of wires for connecting to the monitor/recorder 110 , as with the conventional configuration of electrodes shown in FIG. 1 .
  • the medical sensor 200 includes a motion sensor 206 formed proximate the electrode 204 , and is preferably integrated in the medical sensor 200 .
  • the information obtained by the motion sensor 206 can be used by the monitor/recorder 110 to gauge patient health. For example, the information can provide an indication if the patient is conscious or unconscious, breathing or not breathing, walking or still.
  • the patient motion data can also be correlated with the ECG waveform to analyze whether to administer cardiopulmonary resuscitation (“CPR”) or defibrillation.
  • CPR cardiopulmonary resuscitation
  • FIG. 2B illustrates a medical sensor 250 according to another embodiment of the present invention positioned on the patient 102 .
  • the medical sensor 250 is similar to the medical sensor 200 in that it includes a plurality of electrodes 204 and a motion sensor 206 , and is adhesively attached to the patient 102 by a retention seal 202 .
  • the motion sensor 206 is preferably integrated in the medical sensor 250 with the electrodes 204 .
  • the medical sensor 250 includes a clip 260 that can be used to removably attach a miniature monitor/recorder device 264 .
  • the clip 260 is formed with conductive traces that are connected to the miniature monitor/recorder device 264 when it is clipped into place, thereby allowing electrical signals detected and generated by the medical sensor 250 to be provided to the monitor/recorder device 264 .
  • the medical sensor 250 is relatively compact and does not have a plurality of wires extending across the torso of the patient 102 .
  • having a miniature monitor/recorder device 264 clipped to the medical sensor 250 provides a compact medical monitor/recorder system 264 that can be readily worn by the patient 102 and avoids the issues associated with conventional monitor/recorder systems and electrode configurations.
  • the miniature monitor/recorder device 264 includes a motion sensor, alternatively or in addition to the motion sensor 206 , that detects patient motion. Although not integrated in the medical sensor 250 with the electrodes 204 , the miniature monitor/recording device 264 is firmly attached to the patient 102 by way of the clip 260 . Thus, the motion sensor located in the monitor/recording device 264 more accurately detects patient motion than if located in a convention recorder 110 ( FIG. 1 ), which as previously discussed, is worn on the belt 108 or carried on a strap over the shoulder.
  • FIG. 3 is an exploded isometric diagram of the medical sensors 200 and 250 .
  • An electrode layer 304 includes conductive material formed on a dielectric film.
  • the electrodes 204 and conductive traces 306 are formed from the conductive material using conventional processes known in the art.
  • the motion sensor 206 is formed from regions of conductive material that are formed on opposite sides of the dielectric film resulting in a capacitor structure.
  • the conductive film has piezoelectric properties so that movement of a patient wearing the medical sensor 200 / 250 will be translated into electrical signals.
  • An example of a material that can be used for the conductive material of the layer 304 is polyvinylidene fluoride (“PVDF”), a piezoelectric polymer. PVDF can be used to form flexible and light weight conductive material for the layer 304 .
  • the motion sensor can alternatively be made of other piezoelectric materials such as diced or composite PZT ceramic.
  • a frame 308 is included in the medical sensor 200 / 250 to provide structural support.
  • the frame 308 is flexible and resilient, allowing the medical sensor 200 / 250 to bend as the patient moves.
  • An example of a suitable material for the frame 308 is silicone.
  • the frame 308 includes holes 310 which are aligned with the electrodes 204 that are formed on the layer 304 .
  • An adhesive material can be applied to the frame 308 on the side opposite of the layer 304 so that when the medical sensor 200 / 250 is applied to the patient 102 the frame 308 as well as the retention seal 202 are adhesive.
  • Hydrogel 312 is included to provide a conductive coupling medium with the patient when the medical sensor 200 / 250 is attached. The hydrogel 312 is positioned in the holes 310 and are in contact with the electrodes 204 . As a result, when the medical sensor 200 / 250 is placed on a patient, an electrical connection between the electrodes 204 and the patient are formed.
  • the layer 304 , frame 308 , and hydrogel 312 are adhered to the adhesive side of the retention seal 202 .
  • a hole 314 in the retention seal 202 allows the conductive traces 306 of the layer 304 to be contacted by the connector 210 for the medical sensor 200 or by the clip 260 for the medical sensor 250 .
  • the connector 210 /clip 260 is attached to the retention seal 202 using an adhesive, or other process that provides the connector 210 / 260 to remain electrically coupled to the conductive traces 306 and firmly affixed.
  • a release liner 316 is used to prevent the medical sensor 200 / 250 from being adhered prior to use and is removed when the medical sensor 200 / 250 is attached to the patient 102 .
  • the medical sensor 200 / 250 can also be configured to have a connector, such as a clip connector, that is removably connected so that the medical sensor 200 / 250 can be first placed on the patient 102 and then connected to the cable 220 .
  • a connector such as a clip connector
  • FIG. 4 illustrates the medical sensor 200 / 250 as viewed from the adhesive side of the retention seal 202 and frame 308 after the release liner 316 has been removed.
  • the electrodes 204 are arranged in a triangular configuration.
  • the regions of conductive film that are used for the motion sensor 206 can be generally disposed in the triangular region formed by the arrangement of electrodes 204 .
  • the electrical signals can be used as an indicator of patient health. For example, if motion is sensed, there is a likelihood that the patient is active, and is not in cardiac arrest. Additionally, when related to the patient's cardiac rhythm, the sensed motion can serve as a quality indicator of the monitored and recorded cardiac signals.
  • FIGS. 5A and 5B illustrate patterns of conductive material formed on a dielectric film for the electrode layer 304 according to an embodiment of the present invention.
  • an example of the conductive material is PVDF.
  • FIG. 5A illustrates a pattern for a first side of the layer 304
  • FIG. 5B illustrates a pattern for a second opposite side of the layer 304 .
  • the first side includes conductive regions representing the electrodes 204 and the motion sensor 206 .
  • the second side includes a conductive region 206 ′ (the second capacitive plate) for the motion sensor 206 and conductive regions for the conductive traces 306 .
  • the motion sensor 206 is formed from two or more conductive regions formed in a capacitor arrangement.
  • the motion sensor 206 as shown in FIGS. 5A and 5B translates motion (due to stretching, bending and deflection of the conductive regions on the first and second sides) into electrical signals.
  • the conductive traces 306 are configured with printed through-hole vias to provide electrical coupling from the electrodes 204 and the motion sensor region 206 formed on the first side to a generally central region 504 on the second side, from which electrical connections can be made through the hole 314 to the connector 210 /clip 260 .
  • One of the conductive traces 306 ′ is formed to provide coupling from the motion sensor region 206 on the first side of layer 304 to the generally central region 504 on the second side.
  • the conductive region 206 ′ and traces 306 , 306 ′ can be coupled to the connector 210 ( FIG. 2A ) or to the clip 260 ( FIG. 2B ), or to another coupling mechanism.
  • FIGS. 6A and 6B illustrates patterns of conductive material formed on a dielectric film for the electrode layer 304 according to another embodiment of the present invention.
  • FIG. 6A illustrates a pattern for a first side of the layer 304
  • FIG. 5B illustrates a pattern for a second opposite side of the layer 304 .
  • the first side includes conductive regions representing the electrodes 204 and the motion sensor 206 .
  • the second side includes a conductive region for the motion sensor 206 and for the conductive traces 306 .
  • the regions of conductive material on the first and second sides for the motion sensor 206 are arranged to provide a capacitor structure.
  • the conductive traces 306 are configured to provide electrical coupling by means of printed or plated through-hole vias from the electrodes 204 and motion sensor 206 formed on the first side to a generally central region 504 on the second side.
  • One of the conductive traces 306 is formed to provide coupling to the motion sensor 206 in the generally central region 504 on the second side.
  • the patterns of FIGS. 6A and 6B provide electrodes 204 that are arranged in a triangular configuration, and the conductive traces 306 provide coupling to the electrodes and the motion sensor 206 to a generally central region.
  • the patterns of FIGS. 6A and 6B for the regions of conductive material on the first and second sides for the motion sensor 206 generally cover a larger region of the layer 304 , namely, a region from the perimeter of the layer 304 to the central region 504 .
  • the motion sensor 206 formed using the patterns of FIGS. 6A , 6 B is more sensitive than one formed using the patterns of FIGS. 5A , 5 B.
  • the level of sensitivity of the motion sensor 206 can be adjusted based on the size of the regions of conductive material on the first and second sides of the layer 304 that are used to form the motion sensor 206 .
  • the sensitivity of the motion sensor is sufficient to detect cardiac pulses of the patient wearing the medical sensor.
  • FIGS. 7A and 7B illustrate first and second sides, respectively, of another example of an electrode layer 304 of the present invention.
  • the layer 304 has the motion sensor 206 and three patient electrodes previously discussed.
  • this example has a fourth patient electrode 204 ′ centrally located on the first side of the layer 304 as shown in FIG. 7A .
  • the traces 306 , 306 ′ and motion sensor region 206 ′ surround the central region 504 of the second side of the electrode layer, from which connections can be made to other electrical conductors or components of the wearable patient monitor.
  • FIGS. 8A , 8 B, and 8 C illustrate another example of an electrode layer 304 of the present invention.
  • the layer 304 has four patient electrodes 204 as discussed above.
  • the motion sensor 406 is a separate unit with its own dielectric separate from that of layer 304 .
  • the separate motion sensor 406 is placed in this example on the second side of the layer 304 and laminated or bonded in place as shown in FIG. 8B . From its location on the second side of the layer 304 connections can be made from the motion sensor extension traces 2 , 4 to other conductors or components of the patient monitor.
  • FIG. 8C From its location on the second side of the layer 304 connections can be made from the motion sensor extension traces 2 , 4 to other conductors or components of the patient monitor.
  • FIG. 9 is an exploded view of a monitor/recorder device 264 with an integral motion sensor 14 in accordance with the principles of the present invention.
  • the device 264 has a clamshell case of two halves 82 and 84 .
  • On the lower edge of the case half 82 is a connector 86 that connects to a mating connector of the connector 210 /clip 260 .
  • the electrical components of the device are located on a printed circuit assembly 80 , including in this example the piezoelectric motion sensor 14 .
  • a battery 40 is located between the printed circuit assembly and the case half 84 .
  • the piezoelectric motion sensor 14 may be located on the printed circuit assembly 80 as shown in this illustration, or may be attached to a case half 82 or 84 to take advantage of the acoustic properties of the case and better transmit motion of the patient to the sensor 14 .

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Physiology (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Cardiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
US12/095,792 2005-12-08 2006-12-02 Medical Sensor Having Electrodes and a Motion Sensor Abandoned US20080312524A1 (en)

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Application Number Priority Date Filing Date Title
US12/095,792 US20080312524A1 (en) 2005-12-08 2006-12-02 Medical Sensor Having Electrodes and a Motion Sensor

Applications Claiming Priority (3)

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US74891605P 2005-12-08 2005-12-08
US12/095,792 US20080312524A1 (en) 2005-12-08 2006-12-02 Medical Sensor Having Electrodes and a Motion Sensor
PCT/IB2006/054563 WO2007066270A2 (fr) 2005-12-08 2006-12-02 Capteur medical a electrodes et capteur de mouvement

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US (1) US20080312524A1 (fr)
EP (2) EP1959832A2 (fr)
JP (2) JP2009518099A (fr)
CN (2) CN101321495A (fr)
BR (1) BRPI0619554A8 (fr)
WO (2) WO2007066270A2 (fr)

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CN101879061A (zh) * 2010-07-30 2010-11-10 河南华南医电科技有限公司 一种偶发性心脏病检测系统
WO2012155938A1 (fr) * 2011-05-13 2012-11-22 Dräger Medical GmbH Agencement d'électrodes pour des mesures électromyographiques
CN102958427A (zh) * 2010-06-24 2013-03-06 皇家飞利浦电子股份有限公司 用于检测患者的危急血液动力学事件的方法和设备
WO2014024187A1 (fr) 2012-08-05 2014-02-13 Ramot At Tel-Aviv University Ltd. Capteur pouvant être positionné et son procédé d'utilisation
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EP3025644A1 (fr) * 2014-11-27 2016-06-01 BIOTRONIK SE & Co. KG Système de détection destiné à faire dériver des signaux électriques
WO2016160726A1 (fr) * 2015-03-27 2016-10-06 Zoll Medical Corporation Système et méthode de détection et de suivi d'électrodes d'ecg et de défibrillateur
US9572507B2 (en) 2014-09-10 2017-02-21 Dymedix Corporation Combination physiologic sensor
EP3052015A4 (fr) * 2013-09-30 2017-05-17 Lifewatch technologies Ltd. Dispositif d'électrocardiographie séparable
US9901273B2 (en) 2012-07-04 2018-02-27 I Medex Co., Ltd. Bioelectrode
US11387402B2 (en) * 2019-08-28 2022-07-12 Signal Solutions, Llc Piezoelectric sensor assembly
US11576600B2 (en) 2019-09-03 2023-02-14 Samsung Electronics Co., Ltd. Modular electronic device for measuring bio-signals

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CN101965150B (zh) 2008-03-10 2017-04-12 皇家飞利浦电子股份有限公司 具有充电座站的ecg监测系统
BRPI0909662A2 (pt) * 2008-03-10 2015-09-15 Koninkl Philips Electronics Nv sistema de monitoração cardíaca estanque à água
GB2471667B (en) * 2009-07-06 2011-11-09 Monica Healthcare Ltd Monitoring uterine activity
US20110245688A1 (en) * 2010-03-31 2011-10-06 General Electric Company System and method of performing electrocardiography with motion detection
CN101816559A (zh) * 2010-04-06 2010-09-01 四川东林科技有限公司 心电监护方法和心电监护仪
EP3165161B1 (fr) 2010-05-12 2020-05-06 Irhythm Technologies, Inc. Caractéristiques de dispositif et éléments de construction pour adhérence à long terme
CN102138789B (zh) * 2011-01-24 2014-05-14 无锡微感科技有限公司 一种动态心电和运动记录与分析系统
CN102048532A (zh) * 2011-01-28 2011-05-11 浙江好络维医疗技术有限公司 无线单导心电检测装置
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EP2854942A4 (fr) 2012-05-31 2016-03-09 Zoll Medical Corp Systèmes et procédés de détection de troubles de santé
WO2014043723A1 (fr) * 2012-09-17 2014-03-20 Accumed Systems, Inc. Appareil à capteur non invasif et procédé pour l'évaluation de la performance cardiaque
EP3753483A1 (fr) * 2013-01-24 2020-12-23 Irhythm Technologies, Inc. Dispositif de surveillance physiologique
US9619660B1 (en) 2013-09-25 2017-04-11 Bardy Diagnostics, Inc. Computer-implemented system for secure physiological data collection and processing
US10624551B2 (en) 2013-09-25 2020-04-21 Bardy Diagnostics, Inc. Insertable cardiac monitor for use in performing long term electrocardiographic monitoring
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CN101478915B (zh) 2011-12-07
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WO2007066270A2 (fr) 2007-06-14
EP1959832A2 (fr) 2008-08-27
WO2007111728A3 (fr) 2008-12-11
CN101478915A (zh) 2009-07-08
CN101321495A (zh) 2008-12-10
BRPI0619554A8 (pt) 2015-10-06
JP2009518153A (ja) 2009-05-07
BRPI0619554A2 (pt) 2011-10-04
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JP2009518099A (ja) 2009-05-07
WO2007111728A2 (fr) 2007-10-04

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